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Published in: Obesity Surgery 4/2020

Open Access 01-04-2020 | Obesity | Original Contributions

Vitamin D Status After Gastric Bypass or Sleeve Gastrectomy over 4 Years of Follow-up

Authors: Alistair Fox, Chris Slater, Babur Ahmed, Basil J. Ammori, Siba Senapati, Khurshid Akhtar, Jodi Ellison, Lucinda K. M. Summers, Adam Robinson, John P. New, Handrean Soran, Safwaan Adam, Akheel A. Syed

Published in: Obesity Surgery | Issue 4/2020

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Abstract

Background

Bariatric surgery for severe obesity can lead to micronutrient/vitamin deficiencies.

Aims

To study baseline and post-surgical prevalence of vitamin D deficiency in patients undergoing bariatric surgery.

Participants and Setting

Patients undergoing bariatric surgery in a university teaching hospital in North West England.

Methods

We performed an observational cohort analysis of longitudinal data on vitamin D and related parameters in patients who underwent bariatric surgery. Patients were routinely recommended daily combined calcium and vitamin D supplementation post-surgery.

Results

We studied 460 patients who had completed at least 12 months post-operatively; mean (standard deviation) age was 48.0 (10.5) years, weight 144.7 (27.3) kg and body mass index 50.0 (7.6) kg/m2; 292 (63.5%) underwent gastric bypass and 168 (36.5%) sleeve gastrectomy. Vitamin D level was 33.1 (23.9) nmol/L at baseline, rising to 57.1 (23.1) nmol/L at 12 months post-surgery. Whereas 43.2% had vitamin D deficiency and 34.7% insufficiency preoperatively, 8.9% and 26.7% had deficiency and insufficiency, respectively, at 12 months with similar trends up to 4 years of follow-up. There were no significant differences between procedures or sexes in vitamin D levels or sufficiency rates.

Conclusion

Vitamin D deficiency and insufficiency were prevalent pre-surgery and reduced significantly with routine supplementation post-surgery.
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Metadata
Title
Vitamin D Status After Gastric Bypass or Sleeve Gastrectomy over 4 Years of Follow-up
Authors
Alistair Fox
Chris Slater
Babur Ahmed
Basil J. Ammori
Siba Senapati
Khurshid Akhtar
Jodi Ellison
Lucinda K. M. Summers
Adam Robinson
John P. New
Handrean Soran
Safwaan Adam
Akheel A. Syed
Publication date
01-04-2020
Publisher
Springer US
Published in
Obesity Surgery / Issue 4/2020
Print ISSN: 0960-8923
Electronic ISSN: 1708-0428
DOI
https://doi.org/10.1007/s11695-019-04318-0

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